Hirsbrunner · HBS (professional)
Hirsbrunner Euphonium (HBS series)
Provenance under review. Reported as Switzerland, but the country of manufacture is not yet independently cited — the maker's page does not state one.
Specifications
| Model | HBS series (HBS-378 / HBS-479) |
|---|---|
| Line | HBS (professional) |
| Tier | Professional |
| Price band | $$$$ |
| Pitch | Bb |
| Valves | 4 — 4 valves, piston, automatic compensating (corroborated) |
| Compensating | Yes |
| Bore | 15–16 mm |
| Bell | 305 mm · yellow brass |
| Valves material | piston |
| Options | interchangeable mouthpiece receivers (small/intermediate/large — vintage; verify current) |
| Variants | HBS-479 (larger 15/17 mm bore) — corroborated, verify |